73311 ÷ 4 = 18327 R3
Alright, let's work through the division of 73311 by 4 step by step.

Step 1:
4 goes into 7 1 times with a remainder of 3.
Write down 1 as next digit of of the result. 
Result so far: 1
Subtract 4 from 7 to get 3.
Bring next digit (3) of the dividend behind the 3 and repeat the process: 33 / 4

Step 2:
4 goes into 33 8 times with a remainder of 1.
Write down 8 as next digit of of the result. 
Result so far: 18
Subtract 32 from 33 to get 1.
Bring next digit (3) of the dividend behind the 1 and repeat the process: 13 / 4

Step 3:
4 goes into 13 3 times with a remainder of 1.
Write down 3 as next digit of of the result. 
Result so far: 183
Subtract 12 from 13 to get 1.
Bring next digit (1) of the dividend behind the 1 and repeat the process: 11 / 4

Step 4:
4 goes into 11 2 times with a remainder of 3.
Write down 2 as next digit of of the result. 
Result so far: 1832
Subtract 8 from 11 to get 3.
Bring next digit (1) of the dividend behind the 3 and repeat the process: 31 / 4

Step 5:
4 goes into 31 7 times with a remainder of 3.
Write down 7 as next digit of of the result. 
Result so far: 18327
Subtract 28 from 31 to get 3.

The final result is 18327 with a remainder of 3.